﻿/************************************************************************

   Extended Silverlight Toolkit

   Copyright (C) 2010-2012 Xceed Software Inc.

   This program is provided to you under the terms of the Microsoft Public
   License (Ms-PL) as published at http://extendedsilverlight.codeplex.com/license

   Please purchase a commercial version of this toolkit if you are using
   it in a commercial product. The commercial versions support the project,
   and also include more features for each control, priority support,
   source code, updates, removed watermark, and a proprietary license.

   Visit http://xceed.com and follow @datagrid on Twitter.

  **********************************************************************/

using System;
using Xceed.Silverlight.Data.Stats;

namespace Xceed.Silverlight.Data
{
  internal abstract class DataItemFactory<T>
  {
    protected internal abstract T CreateInstance( T templateItem );

    protected internal abstract StatResults CreateDummyStatResults( StatParameters parameters );

    protected internal abstract bool IsDummy( T item );

    //protected internal virtual bool HasParent( T source )
    //{
    //  return false;
    //}

    //protected internal virtual object GetParentValue( T sourceItem, int depth, ref bool leafReached )
    //{
    //  leafReached = true;
    //  return sourceItem;
    //}

    //protected internal virtual object GetParentValue( T item )
    //{
    //  return null;
    //}

    //protected internal virtual bool IsPartiallyInitialized( T item )
    //{
    //  return true;
    //}

    //protected internal virtual bool IsCompletelyInitialized( T item )
    //{
    //  return true;
    //}

    //protected internal virtual bool IsParentEqualTo( T item, object parentValue )
    //{
    //  return false;
    //}
  }
}
